Home / 4,147.16-6,217.69-1,954.70

Finding the Fourth Proportional to 4,147.16, 6,217.69 and 1,954.70

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Solution

The fourth proportional to 4,147.16, 6,217.69 and 1,954.70 is: 2,930.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.16 : 6,217.69 = 1,954.70 : x
  2. Step 2: Convert to fraction form
    4,147.16/6,217.69 = 1,954.70/x
  3. Step 3: Cross multiply
    4,147.16x = 6,217.69 × 1,954.70
  4. Step 4: Simplify right side
    4,147.16x = 12,153,718.64
  5. Step 5: Solve for x
    x = 12,153,718.64/4,147.16
  6. Step 6: Final answer
    x = 2,930.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.